* RFC 5176:
* "Dynamic Authorization Extensions to RADIUS"
*
+ * RFC 5447:
+ * "Diameter Mobile IPv6"
+ *
* RFC 5580:
* "Carrying Location Objects in RADIUS and Diameter"
*
+ * RFC 6572:
+ * "RADIUS Support for Proxy Mobile IPv6"
+ *
* RFC 7155:
* "Diameter Network Access Server Application"
*
#include "extract.h"
#include "oui.h"
-static const char tstr[] = " [|radius]";
#define TAM_SIZE(x) (sizeof(x)/sizeof(x[0]) )
static void print_attr_address(netdissect_options *, const u_char *, u_int, u_short);
static void print_attr_address6(netdissect_options *, const u_char *, u_int, u_short);
static void print_attr_netmask6(netdissect_options *, const u_char *, u_int, u_short);
+static void print_attr_mip6_home_link_prefix(netdissect_options *, const u_char *, u_int, u_short);
static void print_attr_time(netdissect_options *, const u_char *, u_int, u_short);
+static void print_attr_vector64(netdissect_options *, register const u_char *, u_int, u_short);
static void print_attr_strange(netdissect_options *, const u_char *, u_int, u_short);
{ 0, NULL }
};
+/* MIP6-Feature-Vector standard values */
+/* https://www.iana.org/assignments/aaa-parameters/aaa-parameters.xhtml */
+#define MIP6_INTEGRATED 0x0000000000000001
+#define LOCAL_HOME_AGENT_ASSIGNMENT 0x0000000000000002
+#define PMIP6_SUPPORTED 0x0000010000000000
+#define IP4_HOA_SUPPORTED 0x0000020000000000
+#define LOCAL_MAG_ROUTING_SUPPORTED 0x0000040000000000
+#define ASSIGN_LOCAL_IP 0x0000080000000000
+#define MIP4_SUPPORTED 0x0000100000000000
+#define OPTIMIZED_IDLE_MODE_MOBILITY 0x0000200000000000
+#define GTPv2_SUPPORTED 0x0000400000000000
+#define IP4_TRANSPORT_SUPPORTED 0x0000800000000000
+#define IP4_HOA_ONLY_SUPPORTED 0x0001000000000000
+#define INTER_MAG_ROUTING_SUPPORTED 0x0002000000000000
+static const struct mip6_feature_vector {
+ uint64_t v;
+ const char *s;
+ } mip6_feature_vector[] = {
+ { MIP6_INTEGRATED, "MIP6_INTEGRATED" },
+ { LOCAL_HOME_AGENT_ASSIGNMENT, "LOCAL_HOME_AGENT_ASSIGNMENT" },
+ { PMIP6_SUPPORTED, "PMIP6_SUPPORTED" },
+ { IP4_HOA_SUPPORTED, "IP4_HOA_SUPPORTED" },
+ { LOCAL_MAG_ROUTING_SUPPORTED, "LOCAL_MAG_ROUTING_SUPPORTED" },
+ { ASSIGN_LOCAL_IP, "ASSIGN_LOCAL_IP" },
+ { MIP4_SUPPORTED, "MIP4_SUPPORTED" },
+ { OPTIMIZED_IDLE_MODE_MOBILITY, "OPTIMIZED_IDLE_MODE_MOBILITY" },
+ { GTPv2_SUPPORTED, "GTPv2_SUPPORTED" },
+ { IP4_TRANSPORT_SUPPORTED, "IP4_TRANSPORT_SUPPORTED" },
+ { IP4_HOA_ONLY_SUPPORTED, "IP4_HOA_ONLY_SUPPORTED" },
+ { INTER_MAG_ROUTING_SUPPORTED, "INTER_MAG_ROUTING_SUPPORTED" },
+ };
+
-static struct attrtype {
+static const struct attrtype {
const char *name; /* Attribute name */
const char **subtypes; /* Standard Values (if any) */
u_char siz_subtypes; /* Size of total standard values */
{ "Digest-HA1", NULL, 0, 0, print_attr_string },
{ "SIP-AOR", NULL, 0, 0, print_attr_string },
{ "Delegated-IPv6-Prefix", NULL, 0, 0, print_attr_netmask6 },
+ { "MIP6-Feature-Vector", NULL, 0, 0, print_attr_vector64 },
+ { "MIP6-Home-Link-Prefix", NULL, 0, 0, print_attr_mip6_home_link_prefix },
};
return;
trunc:
- ND_PRINT("%s", tstr);
+ nd_print_trunc(ndo);
}
/*
return;
trunc:
- ND_PRINT("%s", tstr);
+ nd_print_trunc(ndo);
}
/******************************/
return;
trunc:
- ND_PRINT("%s", tstr);
+ nd_print_trunc(ndo);
}
/*****************************/
return;
trunc:
- ND_PRINT("%s", tstr);
+ nd_print_trunc(ndo);
}
/*****************************/
return;
trunc:
- ND_PRINT("%s", tstr);
+ nd_print_trunc(ndo);
}
static void
return;
trunc:
- ND_PRINT("%s", tstr);
+ nd_print_trunc(ndo);
+}
+
+static void
+print_attr_mip6_home_link_prefix(netdissect_options *ndo,
+ const u_char *data, u_int length, u_short attr_code _U_)
+{
+ if (length != 17)
+ {
+ ND_PRINT("ERROR: length %u != 17", length);
+ return;
+ }
+ ND_TCHECK_LEN(data, length);
+ if (EXTRACT_U_1(data) > 128)
+ {
+ ND_PRINT("ERROR: netmask %u not in range (0..128)", EXTRACT_U_1(data));
+ return;
+ }
+
+ ND_PRINT("%s/%u", ip6addr_string(ndo, data + 1), EXTRACT_U_1(data));
+
+ return;
+
+ trunc:
+ nd_print_trunc(ndo);
}
/*************************************/
return;
trunc:
- ND_PRINT("%s", tstr);
+ nd_print_trunc(ndo);
+}
+
+static void
+print_attr_vector64(netdissect_options *ndo,
+ register const u_char *data, u_int length, u_short attr_code _U_)
+{
+ uint64_t data_value, i;
+ const char *sep = "";
+
+ if (length != 8)
+ {
+ ND_PRINT("ERROR: length %u != 8", length);
+ return;
+ }
+
+ ND_PRINT("[");
+ ND_TCHECK_8(data[0]);
+
+ data_value = EXTRACT_BE_U_8(data);
+ /* Print the 64-bit field in a format similar to bittok2str(), less
+ * flagging any unknown bits. This way it should be easier to replace
+ * the custom code with a library function later.
+ */
+ for (i = 0; i < TAM_SIZE(mip6_feature_vector); i++) {
+ if (data_value & mip6_feature_vector[i].v) {
+ ND_PRINT("%s%s", sep, mip6_feature_vector[i].s);
+ sep = ", ";
+ }
+ }
+
+ ND_PRINT("]");
+
+ return;
+
+ trunc:
+ nd_print_trunc(ndo);
}
/***********************************/
return;
trunc:
- ND_PRINT("%s", tstr);
+ nd_print_trunc(ndo);
}
static void
attr_string = attr_type[type].name;
else
attr_string = "Unknown";
- if (len < 2)
- {
- ND_PRINT("\n\t %s Attribute (%u), length: %u (bogus, must be >= 2)",
+
+ ND_PRINT("\n\t %s Attribute (%u), length: %u",
attr_string,
type,
len);
- return;
+ if (len < 2)
+ {
+ ND_PRINT(" (bogus, must be >= 2)");
+ return;
}
if (len > length)
{
- ND_PRINT("\n\t %s Attribute (%u), length: %u (bogus, goes past end of packet)",
- attr_string,
- type,
- len);
+ ND_PRINT(" (bogus, goes past end of packet)");
return;
}
- ND_PRINT("\n\t %s Attribute (%u), length: %u, Value: ",
- attr_string,
- type,
- len);
+ ND_PRINT(", Value: ");
if (type < TAM_SIZE(attr_type))
{
return;
trunc:
- ND_PRINT("%s", tstr);
+ nd_print_trunc(ndo);
}
void
const struct radius_hdr *rad;
u_int len, auth_idx;
+ ndo->ndo_protocol = "radius";
ND_TCHECK_LEN(dat, MIN_RADIUS_LEN);
rad = (const struct radius_hdr *)dat;
len = EXTRACT_BE_U_2(rad->len);
if (len < MIN_RADIUS_LEN)
{
- ND_PRINT("%s", tstr);
+ nd_print_trunc(ndo);
return;
}
return;
trunc:
- ND_PRINT("%s", tstr);
+ nd_print_trunc(ndo);
}
projects / tcpdump / blobdiff